백준 C++ 2439번

#include 

using namespace std;

int main(void)
{
	int k,c;
	cin >> k;
	
	for(c=1;c<=k;++c){
		for(int a=1;a<=k-c;++a)
			cout << " ";
		for(int b=1;b<=c;++b)
			cout << "*";
	cout << endl;
	}
}